EuclidEuclid’s TC-12 tractorContrafed PUblishingMarch 29, 2016September 23, 2024 by Contrafed PUblishingMarch 29, 2016September 23, 2024 ...
Allis-ChalmersClassic MachinesThe Allis-Chalmers HD-20 tractorContrafed PUblishingMarch 23, 2016September 24, 2024 by Contrafed PUblishingMarch 23, 2016September 24, 2024 In production for just three years, the HD-20 was the stepping stone between the powerful HD-19 and the very successful HD-21. RICHARD CAMPBELL delves into...